![BLE ESP32. Bluetooth. Send. Receive. Arduino IDE. Multitouch - Tutorials and Guides - MIT App Inventor Community BLE ESP32. Bluetooth. Send. Receive. Arduino IDE. Multitouch - Tutorials and Guides - MIT App Inventor Community](https://community.appinventor.mit.edu/uploads/default/original/2X/f/f3d428b2d63a50caa7cc125971c468a16853f396.jpeg)
BLE ESP32. Bluetooth. Send. Receive. Arduino IDE. Multitouch - Tutorials and Guides - MIT App Inventor Community
M5Stack - How to make a Wireless Barcode Scanner with AI-enabled camera #UnitV and #ESP32 #M5StickC with HID Bluetooth Wireless.@Hackster.io #DIY #IoT #smartcity https://bit.ly/2K15CHJ | Facebook
![Barcode Scanner Kit Bluetooth QR Code USB 2D 1D Scanner Module Built-in LED UART/TTL Communication Support ESP32 WiFi : Amazon.sg: Electronics Barcode Scanner Kit Bluetooth QR Code USB 2D 1D Scanner Module Built-in LED UART/TTL Communication Support ESP32 WiFi : Amazon.sg: Electronics](https://m.media-amazon.com/images/I/61KjDUUi+wL._AC_UF894,1000_QL80_.jpg)